The Sprocket Wheel, cataloged under National Stock Number 3020-00-148-1622, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3020-00-148-1622 |
| Item Name | Sprocket Wheel |
| FSC / FSG | 3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain |
| Status | ACTIVE |
| Securing Method | DRILLED HOLE |
| Bore Length | 0.284 INCHES NOMINAL IN |
| Design Form | PLAIN |
| Tooth Pitch | 0.500 INCHES NOMINAL IN |
| Asa Standard Chain Number | 40 |
| Outside Diameter | 8.885 INCHES NOMINAL IN |
| Style Designator | PLAIN |
| Pitch Diameter | 8.599 INCHES NOMINAL IN |
| Bore Type | STRAIGHT |
| Teeth Row Quantity | 1 |
| Teeth Quantity Per Row | 54 |
| Securing Hole Quantity | 6 |
| Bolt Circle Diameter | 6.000 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.250 INCHES MINIMUM AND 0.266 INCHES MAXIMUM IN |
| Hole Location | THROUGH SPROCKET BODY 60 DEG APART WITH THREE LARGE AND THREE SMALL HOLES ALTERNATELY SPACED |
| Bore Diameter | 4.000 INCHES NOMINAL IN |
| Material | STEEL |
| Face Width | 0.284 INCHES NOMINAL IN |
| Securing Location | BOTH ENDS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 4S31004-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 3020-00-148-1622 is a Sprocket Wheel, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.
Key specifications for 3020-00-148-1622: Securing Method: DRILLED HOLE; Bore Length: 0.284 INCHES NOMINAL IN; Design Form: PLAIN; Tooth Pitch: 0.500 INCHES NOMINAL IN. 19 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.